Helvetica Now with System UI in action on outcrowd.io

Under the hood

.header-1 { font-family: Helveticanowdisplay, sans-serif; font-size: 56px; font-style: normal; font-weight: 700; letter-spacing: normal; line-height: 64px; text-transform: none; color: #1D1D1F; }
.content-1 { font-family: system-ui, -apple-system, "system-ui", "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif; font-size: 24px; font-style: normal; font-weight: 300; letter-spacing: normal; line-height: 40px; text-transform: none; color: #86868B; }